United States. Bureau of the Census. "Cover Page," in United States. Bureau of the Census. "September 1984," Business Conditions Digest (September 1984) : 1-1. https://fraser.stlouisfed.org/title/43/item/7457/toc/372348 , accessed on April 23, 2024.
United States. Bureau of the Census. "Cover Page," in United States. Bureau of the Census. "September 1984," Business Conditions Digest (September 1984) : 1-1. https://fraser.stlouisfed.org/title/43/item/7457/toc/372348 , accessed on April 23, 2024.